| Value | Category | Cases | |
|---|---|---|---|
| 1 | Up to 1 month | 21 |
17.2%
|
| 2 | 1-3 months | 38 |
31.1%
|
| 3 | 4 - 6 months | 40 |
32.8%
|
| 4 | 7 - 9 months | 3 |
2.5%
|
| 5 | Over 9 months | 20 |
16.4%
|
| Sysmiss | 53515 |